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Miss After Spark Plugs And Timing Belt Change

luvpsi

By luvpsi,
in Forced Induction Performance

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luvpsi Mentor

luvpsi

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Hey guys I just changed my timing belt all starts fine and idles however when I lift the revs slightly it has a miss I also changed spark plugs the original ones the other bloke had iridiums capped at 1.1 I put coppers capped at .8 I'm only running 10psi with microtech cas is lined up in same position

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zebra Grand Master

zebra

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Check your ignition timing, doesnt have to be out by much to change the timing a few degrees, plus with a new tight cam belt, the cams would be in an ever so slightly different position

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luvpsi Mentor

luvpsi

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its weird because i had it idling on first start up after change and gave it a few revs and it didnt do it then after it warmed up it developed the miss.

how do i check the timing with a timing light?

i just dont want to have to pull all the plugs out again if they dont need doing

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luvpsi Mentor

luvpsi

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ok i changed the plugs back to the old one and still seems to do it but when i rev it its fine just if i hold the revs at a little higher than idle. now this is not while driving so going to take it for drive around block and see what happens

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